package chai.ning.methods;

import java.io.PrintStream;

public class Sinaean
{
  public String name;

  public Sinaean()
  {
    System.out.println(this.name);
    this.name = "张三丰";
    System.out.println(this.name);

    System.out.println(this.name);
  }

  public void introduce()
  {
    System.out.println("大家好，我叫" + this.name);
  }

  public static void main(String[] args)
  {
    Sinaean s = new Sinaean();
    s.name = "王伍";
    s.introduce();
  }
}